More on Caps Lock and CTRL

For the few rare times that I might want to write a sentence in all caps there
are alternatives to Caps Lock. For instance I could just type it all lower
case, highlight in vim’s visual mode and press ~ to swap the case.

At any rate, leaving the CTRL key to behave like Caps Lock was really getting
in my way. So I did some more xmodmap searching online and came up with this
other solution: